https://www.vividseats.com/blog/most-pop...-teams-map
Schools that are most popular in at least 3 counties: 134
Schools that are most popular in at least 1 county: 109
Schools that own every county in their state: 3 (UConn, Providence, Arkansas)
Schools that are most popular by county by conference (23/24 alignment):
ACC: All 15 schools are most popular in at least 3 counties
Big East: 9 schools are most popular in at least 3 counties
DePaul most popular in 1
Xavier most popular in 2
Big 12: All 14 schools are most popular in at least 3 counties
Big 10: All 14 schools are most popular in at least 3 counties
SEC: All 14 schools are most popular in at least 3 counties
Pac-12: 11 schools are most popular in at least 3 counties
USC is not most popular in any
MW: 8 schools are most popular in at least 3 counties
SDSU, CSU, and Hawaii most popular in 2
SJSU is not most popular in any
WCC: Gonzaga and St. Mary's are the most popular in at least 3 counties
Pacific is most popular in 2
Loyola Marymount, San Diego, and Portland are most popular in 1
San Francisco, Pepperdine, and Santa Clara are not most popular in any
AAC: SMU, Memphis, USF, Wichita State, and Tulane are most popular in at least 3 counties
Tulsa is most popular in 2
The rest are not most popular in any
A-10: Dayton, UMass, VCU, and St. Bonaventure are most popular in at least 3 counties
Richmond is most popular in 2
C-USA: LaTech, NMSU, and WKU are most popular in at least 3 counties
UTEP is most popular in 2
Sun Belt: Southern Miss is most popular in at least 3 counties
Georgia Southern and Old Dominion are most popular in 2
Coastal Carolina is most popular in 1
Summit: USD, UND, and SDSU are most popular in at least 3 counties
NDSU is most popular in 1
MAC: Buffalo is most popular in at least 3 counties
Akron, Kent State, Toledo, and Ohio are most popular in 1
Big Sky: Montana and Montana State are most popular in at least 3 counties
MVC: Southern Illinois is most popular in at least 3 counties
Bradley is most popular in 1
CAA: Delaware is most popular in 2 counties
Campbell and Charleston are most popular in 1
AE: Vermont is most popular in at least 3 counties
Maine is most popular in 1
WAC: SFA is most popular in at least 3 counties
Grand Canyon is most popular in 1
MAAC: Siena and Canisius are most popular in 1 county
Southland: Lamar and Texas A&M-CC are most popular in 1 county
OVC: SEMO is most popular in 1 county